Delaware County, PA

ZIP 19026

In ZIP 19026, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Aqua Pa Main System has 2 contaminants at or over an EPA legal limit; 18 contaminants are above health goals, led by pfoa at 943× California’s Public Health Goal.
• Nearest Superfund site: Havertown Pcp, 1.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Superior Tube Co Inc (26%), mostly 1-bromopropane.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,072 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 19026

• Superfund sites nearbyF
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityD
• Drinking water qualityF
• Pesticide useA to B
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to B
• Radiation signalsC to F

Based on 13 census tracts · compiled October 25, 2026 · how each grade works and its sources

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